RRB-NTPC 2016 Mathematics

Practice subject-wise previous year questions

Question 1476
Arithmetic

Identify an example of a curved mirror.

A
Wooden spatula
B
Ladle
C
Shining spoon
D
Prism
Question 1477
Arithmetic

Refer to the following number and symbol series and answer the question. Counting to be done from left to right only. (All numbers are single-digit numbers only.) (Left) # $ Ω 2 1 @ 4 & ~ % 8 6 9 + 5 ? £ 3 7 * = (Right) How many such symbols are there, each of which is immediately preceded by an odd number but not immediately followed by an even number?

A
One
B
Two
C
Three
D
None
Question 1478
Arithmetic

Who released the book 'The Emergency Diaries-Years that Forged a Leader' in June 2025?

A
Indira Gandhi
B
Amit Shah
C
Narendra Modi
D
Ashvini Vaishnaw
Question 1479
Arithmetic

Port Victoria, where the First Training Squadron completed its visit, serves as the capital port of which African island nation?

A
Comoros
B
Seychelles
C
Mauritius
D
Madagascar
Question 1480
Arithmetic

In this question, a question is followed by two statements numbered (I) and (II). You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and decide the appropriate answer. Question: Among 5 trees, L, M, N, T and V each having a different height, which tree is the tallest? Statements: (I) M is taller than only two trees. T is immediately taller than N. (II) V is taller than N.

A
Both statements I and II together (and not statement 1 alone or statement II alone) are sufficient to answer the question
B
Data in Statement II alone is sufficient to answer the question while data in statement I is not
C
Both statements I and II together are NOT sufficient to answer the question
D
Data in Statement I alone is sufficient to answer the question while data in statement II is not
Question 1481
Arithmetic

Select the triads which follows the same pattern as that followed by the two pairs given below. Both pairs follow the same pattern. AGED-DAGE-EDAG FAIL-LFAI-ILFA

A
FARM-MFAR-FMRA
B
KING-GKIN-NGKI
C
DEAL-LAED-ALDE
D
GIFT-TIGF-FITG
Question 1482
Arithmetic

As of March 31, 2025, the length of National Highways in India was reported to be:

A
1,75,123 km
B
1,20,076 km
C
91,287 km
D
1,46,204 km
Question 1483
Arithmetic

Which pollutant(s) contribute(s) to both ozone and peroxyacetyl nitrate formation in urban atmospheres under sunlight?

A
Nitrogen dioxide
B
Hydrocarbons
C
Sulphur dioxide
D
Carbon monoxide
Question 1484
Arithmetic

What is the primary role of decomposers in an ecosystem?

A
Capture sunlight for energy
B
Produce oxygen
C
Act as primary consumers
D
Break down organic matter
Question 1485
Arithmetic

A boat travels 36 km downstream and 24 km upstream, taking a total of 6 hours. If the speed of the stream is 2 km/h, the time taken (in hours) for each journey, respectively, is:

A
(3.0 and 3.0)
B
(3.2 and 2.8)
C
(3.4 and 2.6)
D
(3.6 and 2.4)
Question 1486
Arithmetic

Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only. All numbers are single-digit numbers only. (Left) \ % * 5 5 / 9 9 / + 7 * # 6 9 6 @ + 7 ? + (Right) How many such symbols are there, each of which is immediately preceded by a number and also immediately followed by a number?

A
One
B
None
C
Two
D
Three
Question 1487
Arithmetic

Select the triad which follows the same pattern as that followed by the two pairs given below. Both pairs follow the same pattern. CLAP-APCL-ACPL DIRT-RTDI-RDTI

A
MEAT-ATME-TMAE
B
HAIL-LAIH-HIAL
C
MADE-DEAM-MAED
D
LION-ONLI-OLNI
Question 1488
Arithmetic

P sells an item to Q at 53% profit. Q sells the same item to R at 68% loss. If R paid ₹ 3060 for the item, then at what price (in ₹) is the item purchased by P?

A
6250
B
6247
C
6252
D
6253
Question 1489
Arithmetic

Which of the following statements is INCORRECT about the newspaper 'The Hitavada'?

A
It was established at Nagpur in 1911
B
It was an English daily newspaper
C
It was the mouthpiece of the Ghadar movement
D
It was founded by Gopal Krishna Gokhale
Question 1490
Arithmetic

Which of the following countries emerged as mixed team Squash World Cup champions in December 2025 following a dominant 3–0 triumph over top-seeded Hong Kong?

A
England
B
Australia
C
Egypt
D
India
Question 1491
Arithmetic

Which of the following ministers was the Commander of the entire military under the king during the Mughal rule?

A
Mir Saman
B
Mir Bakshi
C
Diwan-i-Insha
D
Sadr-us-Sudur
Question 1492
Arithmetic

Based on the English alphabetical order, three of the following four letter cluster pairs are alike in a certain way and thus form a group. Which is the one that does not belong to that group? (Note: The odd man out is not based on the number of consonants/vowels or their position in the letter cluster)

A
NP-RT
B
KM-OQ
C
IK-MO
D
CE-HJ
Question 1493
Arithmetic

The ratio of boys to girls in two sections A and B of a class is the same. Section A comprises of 36 boys and 24 girls. If there are 28 girls in section B, how many boys are there in that section?

A
48
B
40
C
45
D
42
Question 1494
Arithmetic

Evaluate: (-9) - (-56) ÷ (-14) + (-4) × 9

A
-49
B
-51
C
-52
D
-48
Question 1495
Arithmetic

Below are given two sets of numbers. In each set of numbers, a certain mathematical operation on the first number results in the second number. Similarly, a certain mathematical operation on the second number results in the third number, and so on. Which of the given options follows the same set of operations as in the question? (NOTE: A two-/three-digit number cannot be broken into individual digits for operations, e.g. if 37 is followed by 10, the operation cannot be 3 + 7, as a two-digit number cannot be broken into individual digits.) 14 – 196 – 186 – 166 ; 18 – 324 – 314 – 294

A
21 – 441 – 431 – 451
B
16 – 256 – 266 – 246
C
18 – 320 – 330 – 350
D
11 – 121 – 111 – 91
Question 1496
Arithmetic

Seven boxes, A, B, C, D, E, F and G, are kept one over the other but not necessarily in the same order. Only B is kept above C. Only E is kept between C and F. Only A is kept below G. How many boxes are kept between C and G?

A
4
B
3
C
2
D
1
Question 1497
Arithmetic

Which climatic factor plays the most significant role in shaping the distribution of natural vegetation across India?

A
Annual precipitation (>250 cm)
B
Altitudinal gradient
C
Soil nutrient quality
D
Mean annual temperature variations
Question 1498
Arithmetic

Which of the following groups of organisms exhibit the phenomenon of haploid-dominant life cycle?

A
The amphibians
B
The fungi
C
The angiosperms
D
The mammals
Question 1499
Arithmetic

In December 2025, the rupee’s (₹) appreciation against the US dollar was most likely due to which of the following actions by the RBI?

A
Interest rate hike
B
Gold imports
C
Dollar sales
D
Bond purchases
Question 1500
Arithmetic

Which of the following is a key element of the monetary system infrastructure of India?

A
Power stations
B
Railways
C
Banks
D
Roads